

Hematology
Jaroslaw Maciejewski, MD
Professor of Medicine
Cleveland, OH
Jaroslaw Maciejewski, MD is a hematologist at Cleveland Clinic Main Campus specializing in aplastic anemia, hematologic malignancies, and stem cell transplantation. With training completed at the University of Nevada Medical Center and the National Institutes of Health, Dr. Maciejewski is board certified in hematology and brings extensive expertise in complex blood disorders and cancer treatment to his Cleveland-based practice.
35+
Years in Practice
Peer Recognition
- Castle Connolly — Top Doctor
2007-2026 (20 years)
Clinical Focus
Subspecialties
Malignant Hematology
Conditions & Treatments
Aplastic AnemiaLeukemiaAcute Myeloid LeukemiaStem Cell TransplantMyeloproliferative Neoplasms
Practice Details
Hospital Affiliations
- Cleveland Clinic (9500 Euclid Avenue, Cleveland, OH 44195)
Experience
35+ years in practice